.head {
    display: flex;
    justify-content: space-between;
    font-size: 20px;
    font-weight: 700;
    position: sticky;
    top: 0;
    border-bottom: 1px solid rgb(131, 131, 131);
    height: 30px;
}
.cenmid{
    display: flex;
    margin-top: 20px;
    justify-content: space-around;
    height: 30px;
}
.cenmid button{
    background-color: rgb(82, 82, 253);
    color: white;
    border: none;
}
#scech{
    width: 80%;
    background-color: rgb(189, 189, 189);
    border-radius: 2px 2px 2px 2px;
    border: none;
}
.seach-tit{
    border: 1px solid rgb(170, 170, 170);
    background-color: rgb(170, 170, 170);
    width: 280px;
    margin-top:4px;
    margin-left:30px ;
    text-align: center;
}